Consolidated Statement Of Comprehensive Income
| Concept | 2023-10-01 to 2024-03-31 | 2022-10-01 to 2023-03-31 | 
|---|---|---|
| Consolidated statement of comprehensive income | ||
| Statement of comprehensive income | ||
| Profit (loss) | 
                                                1,078,551,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                921,710,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | ||
| Valuation difference on available-for-sale securities | 
                                                125,445,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                101,240,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Remeasurements of defined benefit plans, net of tax | 
                                                -22,735,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -26,668,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | 
                                                102,710,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                74,571,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income | 
                                                1,181,261,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                996,281,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income attributable to | ||
| Comprehensive income attributable to owners of parent | 
                                                1,181,261,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                996,281,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income attributable to non-controlling interests | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |